package com.base_data_handler.filter;

import java.io.IOException;
import java.util.logging.Logger;

import javax.servlet.Filter;
import javax.servlet.FilterChain;
import javax.servlet.FilterConfig;
import javax.servlet.ServletException;
import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;
import javax.servlet.annotation.WebFilter;

/**
 * Servlet Filter implementation class CharSetFilter
 */
@WebFilter(description = "字符编码过滤", urlPatterns = { "/*" })
public class CharSetFilter implements Filter {
	Logger log=Logger.getLogger(CharSetFilter.class.getName());
    /**
     * Default constructor. 
     */
    public CharSetFilter() {
        // TODO Auto-generated constructor stub
    	log.info("************CharSetFilter************");
    }

	/**
	 * @see Filter#destroy()
	 */
	public void destroy() {
		// TODO Auto-generated method stub
		log.info("************destroy************");
	}

	/**
	 * @see Filter#doFilter(ServletRequest, ServletResponse, FilterChain)
	 */
	public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain) throws IOException, ServletException {
		// TODO Auto-generated method stub
		// place your code here
//		log.info("************doFilter************");
		request.setCharacterEncoding("UTF-8");
		response.setCharacterEncoding("UTF-8");
		
		// pass the request along the filter chain
		chain.doFilter(request, response);
		
	}

	/**
	 * @see Filter#init(FilterConfig)
	 */
	public void init(FilterConfig fConfig) throws ServletException {
		// TODO Auto-generated method stub
		log.info("************CharacterEncodinginit************");
	}

}
